An instrument used to count the frequency of recurrent electronic events and display the count on the panel of the instrument in numeric form. May also include facilities for a readout printed on tape. May include facilities for a very accurate output which can be used as a secondary transfer standard. It can be used to measure frequency, period, time interval, phase angle, frequency ratio, and for multiple period averaging. See also counter, electronic, digital and indicator, digital display.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5960-00-882-8483
NSN 6105-01-361-5417
NSN 6150-00-123-2166
NSN 6645-01-248-8033
NSN 6105-00-980-6563
NSN 6240-00-201-9011
NSN 5910-01-191-5301
NSN 6145-01-498-8478
NSN 5965-01-459-2273
NSN 5990-00-872-1312
NSN 5835-01-118-4690
NSN 6685-00-402-2458